Explorer 657 is a discontinued product
Northstar Explorer 657
Compact and powerful, the Northstar Explorer Series Combo Units are user-friendly versatile on-board information systems.
DISPLAY
| Display Size |
5
in
\ 127
mm
|
| Display Resolution |
640 x 480
(H x W)
|
| Display Type |
256 Color TFT LCD
|
| Graphical Analog Displays |
Yes
|
| Graphical Numeric Display |
Yes
|
| Backlighting Color |
White
|
| Backlighting Levels |
16
|
| Resize Display Window |
Yes
|
| Sonar And GPS Overlay Data |
Yes
|
| Sonar Overlay Data |
Yes
|
| Split Screen Presentation |
Yes
|
| Multilanguage Display |
Yes
|
| Languages Supported |
13
|
SONAR / SOUNDER
| Sonar Frequency |
50 kHz and 200 kHz
kHz
|
| Transducer Type |
Various: See transducer selection table
|
| Sonar Output Power |
Max
600W
W
|
| Sonar Depth |
Max
2000
ft
\ 600
m
|
| Sonar Alarms: Fish, Max and Min Depth |
Yes
|
| Depth Alarm |
Yes
|
| Temperature Display |
Yes
|
| Depth Units |
Yes
|
| Fish Detection |
Yes
|
| Sounder On/Off |
Yes
|
GPS / NAVIGATION
| GPS Antenna Type |
Northstar Model 124 GPS Antenna
|
| GPS Receiver Channels |
12
channels
|
| Background Map |
32 MB
|
| Waypoint Storage |
3000
|
| Routes |
25
|
| Graphic Marker Icons |
48
|
| Man Overboard Feature |
Yes
|
| GPS Alarms |
Yes
|
| GPS Interface |
Yes
|
| GPS Position Accuracy |
33
ft
\ 10
m
|
| GPS Update Rate |
1
|
| Waypoint Identity |
48
|
AUTOPILOT / AUTOSTEERING
| Automatic Tuning |
Yes
|
| Mounting Selectable Port Or Starboard |
Yes
|
NETWORKING / CONNECTORS
| NMEA 0183 Input |
Yes
|
| NMEA 0183 Interface |
BWR, DPT, GGA, GLL, GSA, GSV, HDG, HDM, HDT, MTW, MWV, RMC, VHW, VTG and DBT
|
| NMEA Output |
APA, APB, BWR, DBT, DPT, GGA, GLL, GSA, GSV, RMB, RMC, MTW, VHW, VLW, VTG, XTE
|
TECHNICAL / ENVIRONMENTAL
| Mounting |
Flush mount, Bracket Mount (Bracket Included)
|
| Waterproof Standard |
IPX7
|
| Width |
6.5
in
\ 164
mm
|
| Height |
5.9
in
\ 150
mm
|
| Depth |
3.5
in
\ 88.5
mm
|
| Operating Temperature |
0° to 50°C
|
POWER
| Power Supply |
10.5 to 32 V DC
vDC
|
| Power Consumption |
1A max - full backlighting
|
| Power Consumption Lights Off |
350
mA
|
| Power Consumption Lights On |
1000
mA
|
OTHER
| Adjustable Gain |
Yes
|
| Alarm Output |
Yes
|
| Bearing To Waypoint |
Yes
|
| Button Type |
Laser etched silicone rubber and backlit
|
| Chart System |
C-Map Max
|
| Compass Safe Distance |
39.4
in
\ 1000
mm
|
| Course Over Ground |
Yes
|
| Course Up Presentation |
Yes
|
| Cross Track Error |
Yes
|
| Cursor Control |
Yes
|
| Data Card |
Yes
|
| Distance To Waypoint |
Yes
|
| Environmental Rating |
IPX7
|
| External Alarm |
Yes
|
| Lat/Long Display |
Yes
|
| Log Units |
Yes
|
| Manual Automatic Control |
Yes
|
| Memory Card Capable |
Yes; Waypoints, Routes, Tracks to C-Map Memory Card
|
| Night Illumination |
Yes
|
| Non Volatile Memory |
Yes
|
| North Up Presentation |
Yes
|
| Port Information |
Yes
|
| Sea Temperature |
Yes
|
| Speed Damping |
Yes
|
| Speed Display |
Yes
|
| Speed Over Ground |
Yes
|
| Speed Trend |
Yes
|
| Speed Units |
Yes
|
| Supplied With |
GPS Antenna, Sounder, Bracket, Power Cable, Sun Cover, Manuals
|
| Tide Tables |
Yes
|
| Time To Go To Waypoint |
Yes
|
| Trip Log |
Yes
|
| True And Relative Motion |
Yes
|
| Type Of Equipment |
Combination Chartplotter/Fishfinder
|